Honda Ecu Pinouts

[cynosurecivic]

Here is a list of some Honda ECU Pinouts i found on honda-tech. i know its not all of the ECU's but please feel free to add any to the list. hopefully we can eventually get all of them on here


OBD2 CIVIC-INTEGRA (96-98)
A1-INJ4
A2-INJ3
A3-INJ2
A4-INJ1
A5-**
A6-**
A7-**
A8-VTEC SOLENIOD
A9-LG1
A10-PG1
A11-IGP1
A12-IACV
A13-IACVN
A14-IACVP
A15-PCS
A16-FLR
A17-ACC
A18-MIL
A19-ALTC
A20-ICM
A21-empty
A22-LG2
A23-PG2
A24-IGP2
A25-VREF
A26-IAB SOLENOID
A27-FANC
A28-2WBS
A29-VSV
A30-SLU
C1-CKFP
C2-CKPP
C3-TDCP
C4-CYPP
C5-ACS
C6-STS
C7-SCS
C8-**
C9-TMA
C10-VBU
C11-CKFM
C12-CKPM
C13-TDCM
C14-CYPM
C15-VTEC PRESSURE SWITCH
C16-PSPSW
C17-ALTF
C18-VSS
C19-empty
C20-empty
C21-empty
C22-empty
C23-IP+
C24-**
C25-VS+
C26-empty
C27-empty
C28-empty
C29-**
C30-TMB
D1-TPS
D2-ECT
D3-MAP
D4-**
D5-BKSW
D6-KNOCK SENSOR
D7-**
D8-IAT
D9-**
D10-VCC2
D11-SG2
D12-SG1
D13-**
D14-**
D15-**
D16-EL

PR3
A01-INJ1 fuel injector control # 1
A02-PG1 Ground
A03-INJ2 fuel injector control # 2
A04-PG2 Ground
A05-INJ3 fuel injector control # 3
A06-**
A07-INJ4 fuel injector control # 4
A08-VTS VTEC solenoid
A09-**
A10-**
A11-IACV from electronic air control valv
A12-FLR1 fuel pump control
A13-IGP1 power Input
A14-FLR2 fuel pump control
A15-IGP2 power Input
A16-**
A17-**
A18-**
B01-VBP Battery Backup
B02-**
B03-ACC a/c compressor clutch relay cont
B04-FANC
B05-VTM VTEC pressure switch
B06-MIL check engine warning light
B07-**
B08-ACS a/c on input
B09-**
B10-CYP P crank sensor (1)
B11-**
B12-CYP M crank sensor (2)
B13-**
B14-ALT alternator output signal
B15-**
B16-VSS VSS
B17-**
B18-**
B19-KS Knock sensor
B20-SCS ignition timing adjusting connec
C01-CKP P CYL sensor (1)
C02-CKP M CYL sensor (2)
C03-TDC P TDC sensor (1)
C04-TDC M TDC sensor (2)
C05-IAT intake air temperature sensor
C06-ECT coolant temperature sensor
C07-TPS throttle angle sensor
C08-O2S Dual O2 Sensor (JDM)
C09-PA atomosphere pressure sensor inpu
C10-BKSW brake light switch
C11-MIL ground
C12-SG2 TPS GND
C13-VCC1 TPS 5V
C14-SG1 MAP GND
C15-VCC2 MAP 5V
C16-O2S oxygen sensor

OBD1
A1-INJ1 INJ1
A2-INJ4 INJ4
A3-INJ2 INJ2
A4-VTS VTEC solenoid
A5-INJ3 INJ3
A6-PO2SHTC O2 sensor (heating element)
A7-FLR1 fuel pump
A8-empty
A9-IACV IAC valve
A10-empty
A11-empty
A12-FANC engine coolant temp switch
A13-MIL MIL (check engine light)
A14-empty
A15-ACC (a/c compressor clutch)
A16-ALT C alternator
A17-IAB IAB Solenoid
A18-empty
A19-**
A20-PCS EVAP purge control solenoid
A21-ICM ICM
A22- *per Sander* Ignitor
A23-PG1 ground
A24-PG2 ground
A25-IGP2 to main relay and to gound for o
A26-LG1 gound
B1-IGP2 to pin A25
B2-LG2 ground to shields for CYP & TDC
B3-**
B4-**
B5-ACS a/c switch
B6-empty
B7-**
B8-PSPSW PSP switch
B9-STARTER SIGNAL starter signal
B10-VSS vehicle speed sensor
B11-CYP P CYP -P
B12-CYP M CYP -M
B13-TDC P TDC -P
B14-TDC M TDC -M
B15-CKP P CKP -P
B16-CKP M CKP -M
D1-VBU Back Up Power
D2-BKSW brake switch
D3-KS Knock Sensor
D4-SCS service check connector
D5-empty
D6-VTM VTEC pressure switch
D7-TXD/RXD (data link connector)
D8-empty
D9-ALT F alternator
D10-ELD electric load detector
D11-TPS TPS Signal
D12-**
D13-ECT ECT sensor
D14-PHO2S O2 sensor
D15-IAT IAT sensor
D16-VREF VREF
D17-MAP Map Signal
D18-**
C19-VCC1 MAP 5V
C20-VCC2 TPS 5V
C21-SG1 MAP GND
C22-SG2 TPS GND